[gcc(refs/users/meissner/heads/work153-orig)] Add REVISION.

[Michael Meissner]

https://gcc.gnu.org/g:d1079ce783da4c87577a21c8c3819be8b828a51d

commit d1079ce783da4c87577a21c8c3819be8b828a51d
Author: Michael Meissner <meissner@linux.ibm.com>
Date:   Tue Jan 9 12:19:29 2024 -0500

    Add REVISION.
    
    2024-01-09  Michael Meissner  <meissner@linux.ibm.com>
    
    gcc/
    
            * REVISION: New file for branch.

Diff:
---
 gcc/REVISION | 1 +
 1 file changed, 1 insertion(+)

diff --git a/gcc/REVISION b/gcc/REVISION
new file mode 100644
index 00000000000..4844ae6ea87
--- /dev/null
+++ b/gcc/REVISION
@@ -0,0 +1 @@
+work153-orig branch